. >> foreign policy is actually not foreign. >> america has faced great hardship before and each time we have risen to the challenge. >> the ultimate test is to move our society from where it is to where it has never been. >> join us as we explore today's most critical global issues. join us for great decisions. (instrumental music) >> great decisions is produced by the foreign policy association, inspiring america's to learn more about the world. sponsorship of great decisions is provided by credit suisse, eni, the hurford foundation and pricewaterhousecoopers llp. >> coming up next, sacred cow: defending america on a budget. (instrumental music) (marching music) >> the u.s. spent the last century fighting well-defined wars against well-heeled enemies. ♪ stop! >> duck and cover up under the table. first you duck and then you cover. >> but the fall of the berlin wall meant the collapse of the traditional enemy and the military struggled to find its purpose in this post soviet world. >> we have to understand the role that the united states has played since the end of the second world